ZIP 29483 (Summerville, SC) truck route planning & crash data
Plan safer truck routes around ZIP 29483: commercial truck and garbage truck crashes here and in Dorchester County, dangerous roads, seasonality and route safety data for fleets.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
7.4 deaths per 100 garbage-truck crashes vs 4.0 for all trucks.
Deadliest roads
How Dorchester County compares with South Carolina
Dorchester County against South Carolina and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Dorchester County stands out
Full comparison
| Measure (2015–2025) | Dorchester County | South Carolina | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 54.1 | 61.6 | 49.7 | 12% below the state |
| Deaths per 100 crashes | 4.0 | 3.9 | 3.4 | same |
| Injuries per crash | 0.61 | 0.64 | 0.49 | same |
| Garbage-truck share | 2.6% | 2.1% | 2.3% | 1.2× the state |
| On snow, slush or ice | 1.0% | 0.4% | 6.2% | 2.2× the state |
| Morning rush (6–10 am) | 23.9% | 24.0% | 23.7% | same |
| In rain, sleet or snow | 10.9% | 11.4% | 13.8% | same |
| Winter months (Nov–Mar) | 42.4% | 40.5% | 41.9% | same |
| After dark | 23.2% | 21.5% | 24.8% | 1.1× the state |
Dorchester County has lower values than South Carolina for crashes per 100k residents / yr. It runs above South Carolina on garbage-truck share, on snow, slush or ice and after dark.
Dorchester County at a glance: 1.0% on snowy, slushy or icy roads, against 0.4% across South Carolina.
Overview
Dorchester County has recorded 1,097 truck crashes since 2015, with 659 people injured and 48 killed.
That averages about one truck crash every 4 days in fully reported years.
When crashes happen
March has the most truck crashes, 9.7% of the yearly total, while June has the fewest (6.7%).
Winter months (Nov–Mar) carry 42.4% of truck crashes, vs 40.5% for South Carolina.
More truck crashes happen at 1–2 pm than at any other hour (9.1%).
Road surface: 1.0% of truck crashes were on snow, slush or ice (South Carolina: 0.4%).
Where crashes happen
I-26 leads within 10 miles of ZIP 29483 with 13 fatal crashes involving a large truck since 2015. Next come US-78 (6), US-17 (3) and SR-16 (2).
Garbage & waste trucks
Garbage trucks account for 29 of the truck crashes here, or 2.6%, compared with 2.1% in South Carolina.
The most garbage-truck crashes happen in May (14%).
Deaths per 100 garbage-truck crashes: 7.4, vs 4.0 for all truck crashes.
Route planning tips for ZIP 29483 fleets
- Plan March schedules with more margin; it is the worst month for truck crashes in Dorchester County.
- Look at alternatives to I-26 at busy times: it leads this area in fatal truck crashes.
- For residential and commercial waste routes, look again at May schedules: garbage-truck crashes peak then.
- Icy and snowy roads show up in 1.0% of truck crashes here, more than South Carolina; schedule winter checks early.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
About the data
This report uses the FMCSA crash file (reported crashes of trucks over 10,000 lb) and NHTSA FARS (fatal crashes). It reports the numbers without guessing at reasons.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Dorchester County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-26 | 13 |
| US-78 | 6 |
| US-17 | 3 |
| SR-16 | 2 |
| US-176 | 2 |
| CR-PALMETTO Commerce | 1 |
| SR-136 | 1 |
| SR-165 | 1 |
| SR-27 | 1 |
| SR-456 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Dorchester County) |
|---|---|
| I-95 | 79 |
| I-26 | 60 |
| US-78 | 22 |
| Ashley Phosphate Rd | 15 |
| Orangeburg Rd | 12 |
| Dorchester Rd | 11 |
| Us 78 Hwy | 10 |
| Central Ave | 9 |
ZIP 29483 at a glance
| Population | 59,186 |
| Density | 428 per sq mi |
| Median household income | $85,750 |
| Median home value | $327,390 |
| Home ownership | 79% |
Waste facilities and haulers nearby
Historical data: truck crashes in Dorchester County since the 1990s
Combines the FMCSA crash file (all reported truck crashes, real coverage from about 1990) with NHTSA FARS (fatal crashes involving a large truck, 1982–2024).
| Decade | Truck crashes / yr | Change | Fatal crashes / yr (FARS) |
|---|---|---|---|
| 1990s | 52 | — | 1.7 |
| 2000s | 61 | +16% | 2.7 |
| 2010s | 76 | +25% | 2.4 |
| 2020s | 103 | +36% | 4.4 |
In the 1990s about 52 truck crashes a year were reported; in the 2020s, about 103. Reporting coverage also changed between these periods. Fatal large-truck crashes: 2.5 a year in 2016–19, 4.4 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 29483
How many truck accidents are there in ZIP 29483?
Since 2015, 1,097 crashes involving commercial trucks were reported in Dorchester County (659 injured, 48 killed).
Which road has the most fatal truck crashes in ZIP 29483?
NHTSA data shows I-26 with 13 fatal large-truck crashes within 10 miles of ZIP 29483 since 2015, the highest of any road.
What is the worst month for truck crashes in ZIP 29483?
The worst month is March: 9.7% of truck crashes in Dorchester County happen then.
Are garbage truck crashes common in ZIP 29483?
Since 2015, Dorchester County has reported 29 garbage-truck crashes, or 2.6% of its truck crashes.
How does ZIP 29483 compare with South Carolina for truck crashes?
Dorchester County records 54.1 truck crashes per 100,000 residents a year, against 61.6 across South Carolina.
How do I plan a garbage truck route in ZIP 29483?
The free Route Planner takes your stops and returns a route risk score, safer alternatives and low-bridge warnings.
2026 is a partial year. Updated October 2026.